Month: January 2017

17-22 January Significant Precipitation for the West Coast

by Dan Bikos on January 23rd, 2017

The West Coast of the US experienced multiple storms between 17-22 January 2017 that resulted in substantial precipitation: Early in the period, an Atmospheric River with origins from the central tropical Pacific Ocean advected towards Washington, Oregon and northern California: This product is the CIRA Layer Precipitable Water (LPW) product (displayed here in inches) which Continue Reading

Heavy Rain and Flooding Issues Hydrology

Post Atmospheric River Events in California, 011317

by Jorel Torres on January 13th, 2017

As we all know there were two atmospheric river events that occurred in California in the past week and a half. Both atmospheric river events dumped large amounts of precipitation and snow to the state of California. There was a plethora of reports indicating mudslides, flooding and several feet of snow (10+ feet of snow) Continue Reading

Miscellaneous Winter Weather

Atmospheric River event of 7-9 January 2017

by Dan Bikos on January 9th, 2017

A significant atmospheric river affected the west coast on 7-9 January, 2017.  The GOES water vapor imagery shows the development of clouds associated with an approaching trough off the west coast, these clouds advected into the west coast: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/8jan17_wv&loop_speed_ms=80 and resulted in significant precipitation across California:   at times, we can infer moisture from the Continue Reading

Miscellaneous